"My doping is my training, my doping is Jesus -- otherwise I'm crystal clear."

- Ethiopia's Almaz Ayana shrugs off speculation after her 10,000m world record

"Most of the time I listen to music related to our leaders"

- North Korea's Rim Jong-Sim reveals her choice of music

"We learned that chemistry is not an exact science"

-Games spokesman Mario Andrada as organisers struggle to turn the green diving pool back to blue